Categories

• Hindi
• Others,Physics
• geography
• Physics
• Computer Science
• Physics,History
• Others,Political Science
• Botany,Physics
• English
• Biology

Authors

• Dutta Naik A.K
• bunting
• O.,sarad
• Mishra Y.D
• B.K.,vattacharya
• p.p.
• Senapati
• Editor
• Jain , J.L.,tyagi and meheta
• Pattnaik, Rout